Refactoring, various fixes

js/input/mouse/IMouseClickDrag.js

@@ -101,6 +101,7 @@ export default class IMouseClickDrag extends IPointing {
                 if (self.started) {
                     self.endDrag()
                 }
+                self.unclicked()
                 if (self.#trackingMouse) {
                     const dragEvent = self.getEvent(Configuration.trackingMouseEventName.end)
                     this.target.dispatchEvent(dragEvent)
@@ -146,4 +147,7 @@ export default class IMouseClickDrag extends IPointing {
 
     endDrag() {
     }
+
+    unclicked(location) {
+    }
 }

js/input/mouse/Select.js

@@ -18,7 +18,11 @@ export default class Select extends IMouseClickDrag {
     endDrag() {
         if (this.started) {
             this.selectorElement.finishSelecting()
-        } else {
+        }
+    }
+
+    unclicked() {
+        if (!this.started) {
             this.blueprint.unselectAll()
         }
     }

js/input/mouse/Zoom.js

@@ -2,9 +2,27 @@ import IMouseWheel from "./IMouseWheel"
 
 export default class Zoom extends IMouseWheel {
 
+    #enableZoonIn = false
+
+    get enableZoonIn() {
+        return this.#enableZoonIn
+    }
+
+    set enableZoonIn(value) {
+        value = Boolean(value)
+        if (value == this.#enableZoonIn) {
+            return
+        }
+        this.#enableZoonIn = value
+    }
+
     wheel(variation, location) {
         let zoomLevel = this.blueprint.getZoom()
-        zoomLevel -= variation
+        variation = -variation
+        if (!this.enableZoonIn && zoomLevel == 0 && variation > 0) {
+            return
+        }
+        zoomLevel += variation
         this.blueprint.setZoom(zoomLevel, location)
     }
 }